What is the air quality in Lemont today?

The current Air Quality Index (AQI) in Lemont is 32 (Good). PM2.5 concentration is 7.69 µg/m³.

What is the temperature in Lemont right now?

The current temperature in Lemont is 20.9°C (feels like 20.9°C). Humidity is 90.1% and wind speed is 46.7 km/h.

Is it safe to go outside in Lemont?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Lemont, United States

Drizzle

20.9°C · 90.1% humidity

20.9°

Feels 20.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

18 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

47h · 6 stn

View full history →

Lemont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

90.1%

Humidity

46.7 km/h

Wind SSW

1007.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.69 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Lemont?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations

PM2.57.69 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (18 stations within 25 km)

7.69

Median

7.84

Average

4.6

Low

10.14

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.9

What is the 7-day forecast for Lemont?

06-09

32.0° 14.6°

0.38 mm

06-10

21.8° 19.5°

33.94 mm

06-11

26.0° 17.7°

0.69 mm

06-12

30.3° 20.9°

16.25 mm

06-13

29.8° 23.2°

4.31 mm

06-14

32.0° 16.4°

0.19 mm

06-15

34.0° 23.8°

Both models agree Avg diff: 5.5°C

Where are air quality stations near Lemont?

Clearing 1

20.2 km PM2.5: 8.8 µg/m³

Garfield Ridge 4

20.9 km PM2.5: 10.1 µg/m³

Clearing 2

22.3 km PM2.5: 8.4 µg/m³

Alsip, Illinois, USA

22.4 km PM2.5: 7.2 µg/m³

Garfield Ridge 3

22.5 km PM2.5: 8.2 µg/m³

Ashburn 8

22.9 km PM2.5: 7.9 µg/m³

Garfield Ridge 2

23.0 km PM2.5: 8.2 µg/m³

Ashburn 1

23.5 km PM2.5: 8.4 µg/m³

Clearing 3

23.6 km PM2.5: 7.5 µg/m³

West Lawn 4

24.0 km PM2.5: 2.9 µg/m³

What cities are near Lemont?

29 Bolingbrook 33 Goodings Grove 25 Romeoville 31 Woodridge 32 Homer Glen 22 Lockport 35 Orland Park 35 Westmont 35 Downers Grove 35 Hinsdale

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T13:11 UTC.